1/* 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20#include "config.h" 21 22#if ENABLE(SVG_FONTS) 23#include "SVGVKernElement.h" 24 25#include "SVGFontElement.h" 26#include "SVGFontFaceElement.h" 27#include "SVGNames.h" 28 29namespace WebCore { 30 31inline SVGVKernElement::SVGVKernElement(const QualifiedName& tagName, Document* document) 32 : SVGElement(tagName, document) 33{ 34 ASSERT(hasTagName(SVGNames::vkernTag)); 35} 36 37PassRefPtr<SVGVKernElement> SVGVKernElement::create(const QualifiedName& tagName, Document* document) 38{ 39 return adoptRef(new SVGVKernElement(tagName, document)); 40} 41 42Node::InsertionNotificationRequest SVGVKernElement::insertedInto(ContainerNode* rootParent) 43{ 44 if (rootParent->inDocument()) { 45 ContainerNode* fontNode = parentNode(); 46 if (fontNode && fontNode->hasTagName(SVGNames::fontTag)) { 47 if (SVGFontElement* element = static_cast<SVGFontElement*>(fontNode)) 48 element->invalidateGlyphCache(); 49 } 50 } 51 52 return SVGElement::insertedInto(rootParent); 53} 54 55void SVGVKernElement::removedFrom(ContainerNode* rootParent) 56{ 57 ContainerNode* fontNode = parentNode(); 58 if (fontNode && fontNode->hasTagName(SVGNames::fontTag)) { 59 if (SVGFontElement* element = static_cast<SVGFontElement*>(fontNode)) 60 element->invalidateGlyphCache(); 61 } 62 SVGElement::removedFrom(rootParent); 63} 64 65void SVGVKernElement::buildVerticalKerningPair(KerningPairVector& kerningPairs) 66{ 67 String u1 = fastGetAttribute(SVGNames::u1Attr); 68 String g1 = fastGetAttribute(SVGNames::g1Attr); 69 String u2 = fastGetAttribute(SVGNames::u2Attr); 70 String g2 = fastGetAttribute(SVGNames::g2Attr); 71 if ((u1.isEmpty() && g1.isEmpty()) || (u2.isEmpty() && g2.isEmpty())) 72 return; 73 74 SVGKerningPair kerningPair; 75 if (parseGlyphName(g1, kerningPair.glyphName1) 76 && parseGlyphName(g2, kerningPair.glyphName2) 77 && parseKerningUnicodeString(u1, kerningPair.unicodeRange1, kerningPair.unicodeName1) 78 && parseKerningUnicodeString(u2, kerningPair.unicodeRange2, kerningPair.unicodeName2)) { 79 kerningPair.kerning = fastGetAttribute(SVGNames::kAttr).string().toFloat(); 80 kerningPairs.append(kerningPair); 81 } 82} 83 84} 85 86#endif // ENABLE(SVG_FONTS) 87